Vulnerability Report

CVE-2019-20919

Title: Perl Dbi Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2019-20919.

CWE Category CWE-476
Published Date Sep 17, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 4.7 CVSS v3.1
Exploit Probability (EPSS)
0.50%

Vulnerability Summary

CVE-2019-20919: An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.

Impacted Vendors

P
perl 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.html https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/ https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-... https://usn.ubuntu.com/4534-1/ http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.html https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/ https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-... https://usn.ubuntu.com/4534-1/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.7
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity LOW
1.9
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-20919 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.